Home / 255,396,233.63-352,446,800.33-137,921,553.49

Finding the Fourth Proportional to 255,396,233.63, 352,446,800.33 and 137,921,553.49

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Solution

The fourth proportional to 255,396,233.63, 352,446,800.33 and 137,921,553.49 is: 190,331,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,396,233.63 : 352,446,800.33 = 137,921,553.49 : x
  2. Step 2: Convert to fraction form
    255,396,233.63/352,446,800.33 = 137,921,553.49/x
  3. Step 3: Cross multiply
    255,396,233.63x = 352,446,800.33 × 137,921,553.49
  4. Step 4: Simplify right side
    255,396,233.63x = 48,610,010,223,137,232
  5. Step 5: Solve for x
    x = 48,610,010,223,137,232/255,396,233.63
  6. Step 6: Final answer
    x = 190,331,742.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.